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Finding the Fourth Proportional to 562,997.92, 776,949.96 and 308,346.88

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Solution

The fourth proportional to 562,997.92, 776,949.96 and 308,346.88 is: 425,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,997.92 : 776,949.96 = 308,346.88 : x
  2. Step 2: Convert to fraction form
    562,997.92/776,949.96 = 308,346.88/x
  3. Step 3: Cross multiply
    562,997.92x = 776,949.96 × 308,346.88
  4. Step 4: Simplify right side
    562,997.92x = 239,570,096,082.13
  5. Step 5: Solve for x
    x = 239,570,096,082.13/562,997.92
  6. Step 6: Final answer
    x = 425,525.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.